riyama43 riyama43

16-08-2017
Mathematics

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Find the derivative of f(x) = negative 6/ x at x = 12.

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amirreza688 amirreza688

16-08-2017

if f(x)=1/x=x^(-1) then f'(x)=(-1)*x^(-2)=-1/x^2
f(x)=-6/x
f'(x)=6/x^2
f'(12)=6/12*12=1/24

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